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Best Bariatric Surgeon in Ahmedabad

Dr. Mahendra Narwaria, Best Bariatric Surgeon in Ahmedabad

Sr. Consultant - Surgical Gastroenterologist, Bariatric & Robotic Surgeon - Gastroenterology, Obesity Surgery Email: Department: Obesity Surgery

Dr. Mahendra Narwaria is one of the top bariatric surgeons in Ahmedabad, Gujarat. Dr. Mahendra Narwaria, obtained a post-graduate degree in General Surgery from B J Medical College, Ahmedabad in 1996. Subsequently, pursued his interest in Surgical Gastroenterology and Laparoscopic Surgery at Sanjay Gandhi Post-graduate Institute (SGPGI), Lucknow.

One of the pioneers of bariatric surgery in India and has performed more than 10,000 Bariatric procedures till date. He has held prestigious positions in National bodies like -OSSI, IFSO-APC, IASG, IAGES, AIAARO. He is also an invited faculty at various national and international esteemed universities like Royal College of Edinburgh Scotland, SGPGIMS-Lucknow, Ethicon Institute of Surgical Education , CEMAST- Mumbai.

He has numerous research publications in both national and international journals and has also contributed to many books in the field of GI and Bariatric surgery. He holds a Limca record for operating youngest child for Bariatric surgery. Limca book of records also acknowledged his efforts of operating 20 patients in a day. The state government has honored him as “Gujarat Gaurav ” for his contribution in medical sciences. Times Group has acknowledged him as the Health Icon for the year 2019.

Professional Qualification


Area of expertise

  • Laparoscopic Bariatric Surgery, Surgical Gastroenterology, Advanced Laparoscopic Surgery


  • Bariatric Surgery
  • Advanced Laparoscopic Surgery
  • Obesity Surgery
  • Sleeve Gastrectomy
  • Adjestable Gastric Band
  • Gastric Balioon
  • Gastric Bypass

Pioneering Procedures

  • First Laparoscopic Sleeve Gastrectomy In India-2004.
  • First Scar less Sleeve Gastrectomy in India-2009.
  • First Hybrid NOTES (Trans Vaginal) Sleeve Gastrectomy in Asia Pacific region
  • Highest weight pt. had Gastric bypass surgery performed (Weight-248 kg,214 kg)-1st time in India
  • Pioneer in New procedure after revision of RYGB

Visiting Faculty

  • Honorary Clinical Tutor-Royal College of Edinburgh Scottland,UK
  • Honorary Visiting Professor-SGPGIMS-Lucknow
  • Visiting Faculty- Ethicon Institute of Surgical Education (EISE).Mumbai
  • Center of Excellence for Minimal Access Surgery Training(CEMAST)- Mumbai
  • Endosurgery Task Force (Covidien), Shanghai (China)

Limca Book of Record 2015 for:

  • Operating a maximum number of patients in a single day
  • Operating the youngest patient Four Years & Ten Months

Publications & Research

  • Global 30-day outcomes after bariatric surgery during the COVID-19 pandemic (GENEVA): an international cohort study. Rishi Singhal , Abd A Tahrani , Christian Ludwig , Kamal Mahawar ,Mahendra Narwaria, GENEVA collaborators. The Lancet Diabetes & Endocrinology DOI:10.1016/S2213-8587(20)30375-2;2021
  • OSSI (Obesity and Metabolic Surgery Society of India) Guidelines for Patient and Procedure Selection for Bariatric and Metabolic Surgery. A G Bhasker , A Prasad , P Praveen Raj , M Narwaria , S Shah , R Khullar. Obesity Surgery (2020) DOI:30:2362–2368.
  • Trends and progress of bariatric and metabolic surgery in India Aparna Govil Bhasker, Arun Prasad, P. Praveen Raj, Randeep Wadhawan, Manish Khaitan, Abhay Jugal Agrawal, Om Tantia, Sarfaraz J. Baig, Raj Palaniappan, H. V. Shivaram, Sumeet Shah, Mahendra Narwaria. Updates in Surgery 72(9945);April 2020
  • Sump syndrome following choledochoduodenostomy. Dhaivat Vaishnav, Mahendra Narwaria.Formosan Journal of Surgery 53(5):195;January 2020
  • Circulatory Omentin-1 levels but not genetic variants influence the pathophysiology of Type 2 diabetes. Nirali Rathwa , Roma Patel , Sayantani Pramanik Palit , Shahnawaz D Jadeja , Mahendra Narwaria, A V Ramachandran , Rasheedunnisa Begum.Cytokine 119DOI:10.1016/j.cyto.2019.03.011Project: Genetic association studies in Type II Diabetes; 2019.
  • Standardization of Bariatric Metabolic Procedures: World Consensus Meeting Statement. Mohit Bhandari ,Mahendra Narwaria & M. A. L. Fobi & Jane N. Buchwald .Obesity Surgery 29(4):309–345, 2019.
  • CAN CHILDREN WITH GENETIC SYNDROME BE OFFERED BARIATRIC SURGERY? Mahendra Narwaria, MS, GI.Surgery for Obesity and Related Diseases 14(11):S95 ; November 2018 8. Is Bariatric Surgery to be offered in Adolescence? Mahendra Narwaria, Surgery for Obesity and Related Diseases 14(11):S191 ;2018
  • Is Bariatric Surgery to be offered in Adolescence? Mahendra Narwaria, Surgery for Obesity and Related Diseases 14(11):S191 ;2018
  • Laparoscopic excision of retro pancreatic retro portal schwannoma.Dhaivat Vaishnav, Riddhi Solanki, Mahendra Narwaria;2017.
  • Chapter 118, Bariatric & Metabolic Surgery Mahendra Narwaria, Ahmad Jan.Textbook of Surgical Gastroenterology (2 Volumes) (pp.1311-1311) DOI:10.5005/jp/books/12748_119;2016
  • Réponse à l’article récent de Blot C. et al. Conservative surgical management of persistent leak after sleeve gastrectomy by Roux-en-Y gastro-jejunostomy to the fistulous orifice Ramon Vilallonga, Mahendra Narwaria.Journal of Visceral Surgery 152(5). 2015
  • Systematic review with a meta-analysis of individual participant data on the effects of bariatric surgery in genetic obesity.Obesity Surgery 25(8)DOI:10.1007/s11695-015-1727-2 2015
  • Randomized Double-Blinded Trial of Laparoscopic Gastric Imbrication V Laparoscopic Sleeve Gastrectomy at Single Indian InstitutionSunil Sharma, Mahendra Narwaria, Daniel R. Cottam & Samnuel CottamObesity Surgery (2015)25:800-8004, DOI 10.1007/s11695-014-1497-2;2015
  • A Systematic Review of Bariatric Surgery in Patients with Liver Cirrhosis. Ahmad Jan , Mahendra Narwaria , Kamal K Mahawar, Obesity Surgery 25(8),May 2015.
  • Insulinoma : Case Report and Review of Diagnostic and Treatment Modalities:Sudhendu Patel, Mahendra Narwaria, Deepal Parekh, Vidhi Shah; JAPI(2012)Volume 61 ISSN 0004-5772
  • IFSO-APC consensus statements 2011.Kazunori Kasama, Wilfred Mui, Mahendra Narwaria and Pradeep Chowbey,Obesity Surgery 22(5):677 (2012) PMID 22367008.
  • Tuberculosis after laparoscopic Roux-en-Y gastric bypass for morbid obesity. Lakshman S Khiria and Mahendra Narwaria,Surgery for Obesity and Related Diseases 7(3):323 (2011) PMID 20727834
  • Gastric imbrication for morbid obesity: Early result of new technique.Mahendra Narwaria and Avinash K Tank Surgery for Obesity and Related Diseases 6(3):S47 (2010)
  • Autosomal recessive hypercholesterolemia and bilio-pancreatic diversion: A case report.Mahendra Narwaria and Lakshman S Khiria Obesity Research & Clinical Practice 4(2):e157 (2010)
  • A prospective randomized, controlled study comparing low pressure versus high-pressure pneumoperitoneum during laparoscopic cholecystectomy.Vismit Pradyumna VP Joshipura, Narwaria M, Sanjiv P SP Haribhakti, and Rashmi Thakker Surgical Laparoscopy, Endoscopy & Percutaneous… 19(3):234 (2009) PMID 19542853
  • Cefoperazone-sulbactam for treatment of intra-abdominal infections: results from a randomized, parallel-group study in India.Abhijit Chandra, Puneet Dhar, and Manjula Schou, Mahendra Narwaria,Surgical Infections 9(3):367 (2008) PMID 18570578
  • Prospective Randomized Trial of Cefoperazone-Sulbactam Versus Ceftazidime plus Amikacin and Metronidazole in the Treatment of Intra-Abdominal Infections: 1013 Subodh Varshney,A. Chandra, Puneet Dhar, Satish Dharap, M Narwaria.The American Journal of Gastroenterology 101:S399;2006
  • Laparoscopic Bariatric Surgery.M Narwaria,M.Manisegaran.Book Chapter.

Conferences & Workshop

  • OSSICON-2014 National Annual conference of Obesity & Metabolic Surgery Society of India
  • AIAAROCON-2011 Annual National Conference of All India Association for Advancing Research in Obesity, Ahmedabad(Organizing Chairman)
  • OSSICON-2010-Live Operative Workshop-Apollo International Hospital, Ahmedabad (Organizing Chairman)
  • Obesity-2009- Live Workshop and conference for physicians and Surgeons of Gujarat state.(Organizing Chairman)
  • Obesity-2008-Live Workshop and conference for physicians and Surgeons of Gujarat state.(Organizing Chairman)
  • Metasurge-2008, Live workshop in Feb 2008, Mumbai. (Organizing Secretary)
  • Metabolic Surgery for Diabetes and obesity-Dec-2007, GOA (Organizing Secretary)
  • Obesity-2007-May, 2007 (5th Annual conference of All India Association of Advancing Research in Obesity (Organizing Chairman)
  • OSSICON-2005(3rd Annual conference of Obesity Surgery Society of India)-Feb 2005, (Organizing Secretary)
  • LAPGICON-Aug, 2004(Organizing Secretary)
    An Art of Lap. Suturing and Stapling-Feb, 2005(Organizing Secretary & Course Director)
  • MAS-2003 Aug 2003(Joint Organizing Secretary)

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